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University of Nebraska - Lincoln

Dissertations, Theses, & Student Research in Food Science and Technology

Dielectric heating

Engineering

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Simulation And Validation Of Radio Frequency Heating Of Shell Eggs, Soon Kiat Lau Jul 2015

Simulation And Validation Of Radio Frequency Heating Of Shell Eggs, Soon Kiat Lau

Dissertations, Theses, & Student Research in Food Science and Technology

Finite element models were developed with the purpose of finding an optimal radio frequency (RF) heating setup for pasteurizing shell eggs. Material properties of the yolk, albumen, and shell were measured and fitted into equations that were used as inputs for the model. When the egg was heated by itself, heating tend to be focused at the air cell to result in a “coagulation ring.” The focused heating near the air cell of the egg prevented satisfactory pasteurization of the egg, but deeper analysis of the simulation results offered a new perspective on how non-uniform RF heating could occur in ...